quimica > subst e mistrs > Flashcards

subst e mistrs Flashcards

(10 cards)

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1
Q

oque e materia

A

tudo oq tem massa e ocupa lugar no mundo

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2
Q

subst pura

A

1 formula e ponto de fusao e ebulição e contasnte, simples e composta

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3
Q

ex de subs pura

A

agua

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4
Q

mistura

A

composição variável, 2 ou mais subst, homogênea e heterogênea

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5
Q

homogênea

A

1 fase, subst pura e mist homogênea

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6
Q

heterogênea

A

2 ou mais fases, subst pura e mist heterogênea

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7
Q

mistura pode ser separada?

A

sim por processo fisico

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8
Q

tipos de agua

A

destilada, mineral, salobra , pesada e dura

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9
Q

formula da agua dura

A

ca2 e mag2
mag: magnezio

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10
Q

água pesada

A

h20 vezes 2 ; d02

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